NVIDIA Nemotron 3 Nano 30B A3B is a small language MoE model with highest compute efficiency and accuracy for developers to build specialized agentic AI systems. The model is fully open with open-weights, datasets and recipes so developers…
Model details →NVIDIA: Nemotron 3 Nano 30B A3B (free) vs OpenAI: GPT-5 Nano
NVIDIA: Nemotron 3 Nano 30B A3B (free) and OpenAI: GPT-5 Nano are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger counterparts, it retains key …
Model details →Side-by-side comparison
| Capability | NVIDIA: Nemotron 3 Nano 30B A3B (free) | OpenAI: GPT-5 Nano | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 400K | 🏆 OpenAI: GPT-5 Nano |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $0.05 | 🏆 NVIDIA: Nemotron 3 Nano 30B A3B (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $0.40 | 🏆 NVIDIA: Nemotron 3 Nano 30B A3B (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-5 Nano |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is NVIDIA: Nemotron 3 Nano 30B A3B (free) better than OpenAI: GPT-5 Nano?
NVIDIA: Nemotron 3 Nano 30B A3B (free) and OpenAI: GPT-5 Nano are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between NVIDIA: Nemotron 3 Nano 30B A3B (free) and OpenAI: GPT-5 Nano?
Input: $0.00 vs $0.05 per 1M tokens. Output: $0.00 vs $0.40 per 1M tokens.
What context windows do NVIDIA: Nemotron 3 Nano 30B A3B (free) and OpenAI: GPT-5 Nano support?
NVIDIA: Nemotron 3 Nano 30B A3B (free) supports up to 256K tokens. OpenAI: GPT-5 Nano supports up to 400K tokens.
Do both NVIDIA: Nemotron 3 Nano 30B A3B (free) and OpenAI: GPT-5 Nano support tool calling?
NVIDIA: Nemotron 3 Nano 30B A3B (free): yes. OpenAI: GPT-5 Nano: yes.